Made changes concise according to suggestion

Impaler343 · Impaler343 · commit bdfc2e7fbf12 · 2024-05-29T13:02:50.000+05:30
diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py
@@ -7211,33 +7211,21 @@ def hist(self, x, bins=None, range=None, density=False, weights=None,
         # cast each element to str, but keep a single str as it.
         labels = [] if label is None else np.atleast_1d(np.asarray(label, str))
 
-        if 'hatch' in kwargs:
-            if not isinstance(kwargs['hatch'], str):
-                hatches = itertools.cycle(kwargs['hatch'])
-            else:
-                hatches = itertools.cycle([kwargs['hatch']])
-
-        if 'edgecolor' in kwargs:
-            if not isinstance(kwargs['edgecolor'], str):
-                edgecolors = itertools.cycle(kwargs['edgecolor'])
-            else:
-                edgecolors = itertools.cycle([kwargs['edgecolor']])
-
-        if 'linewidth' in kwargs:
-            if isinstance(kwargs['linewidth'], list or tuple):
-                linewidths = itertools.cycle(kwargs['linewidth'])
-            else:
-                linewidths = itertools.cycle([kwargs['linewidth']])
+        hatches = itertools.cycle(np.atleast_1d(kwargs.get('hatch', None)))
+        edgecolors = itertools.cycle(np.atleast_1d(kwargs.get('edgecolor', None)))
+        linewidths = itertools.cycle(np.atleast_1d(kwargs.get('linewidth', None)))
+        linestyles = itertools.cycle(np.atleast_1d(kwargs.get('linestyle', None)))
 
         for patch, lbl in itertools.zip_longest(patches, labels):
             if patch:
                 p = patch[0]
-                if 'hatch' in kwargs:
-                    kwargs['hatch'] = next(hatches)
                 if 'edgecolor' in kwargs:
                     kwargs['edgecolor'] = next(edgecolors)
-                if 'linewidth' in kwargs:
-                    kwargs['linewidth'] = next(linewidths)
+                kwargs.update({
+                    'hatch': next(hatches),
+                    'linewidth': next(linewidths),
+                    'linestyle': next(linestyles),
+                })
                 p._internal_update(kwargs)
                 if lbl is not None:
                     p.set_label(lbl)
